#!/bin/sh
# ------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
# 
# http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ------------------------------------------------------------------------

# Not all shells support the 'exec -a newname' syntax..
`exec -a test echo test 2> /dev/null`
if [ "$?" -eq "1" ] ; then
  EXEC="exec -a apollo"
else
  # Lets switch to bash if you have it installed...
  if [ -f "/bin/bash" ] ; then
    exec "/bin/bash" $0 $@ 
  else
    EXEC="exec"
  fi
fi

# OS specific support.
cygwin=false;
darwin=false;
case "`uname`" in
  CYGWIN*) cygwin=true ;;
  Darwin*) darwin=true
           if [ -z "$JAVA_HOME" ] ; then
             JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Home
           fi
           ;;
esac

if [ -z "$APOLLO_HOME" ] ; then

  ## resolve links - $0 may be a link to apollo's home
  PRG="$0"
  progname=`basename "$0"`
  saveddir=`pwd`

  # need this for relative symlinks
  dirname_prg=`dirname "$PRG"`
  cd "$dirname_prg"

  while [ -h "$PRG" ] ; do
    ls=`ls -ld "$PRG"`
    link=`expr "$ls" : '.*-> \(.*\)$'`
    if expr "$link" : '.*/.*' > /dev/null; then
    PRG="$link"
    else
    PRG=`dirname "$PRG"`"/$link"
    fi
  done

  APOLLO_HOME=`dirname "$PRG"`
  cd "$saveddir"

  # make it fully qualified
  APOLLO_HOME=`cd "$APOLLO_HOME/.." && pwd`
fi

# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
  [ -n "$APOLLO_HOME" ] &&
    APOLLO_HOME=`cygpath --unix "$APOLLO_HOME"`
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
  [ -n "$CLASSPATH" ] &&
    CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi

if [ -z "$JAVACMD" ] ; then
  if [ -n "$JAVA_HOME"  ] ; then
    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
      # IBM's JDK on AIX uses strange locations for the executables
      JAVACMD="$JAVA_HOME/jre/sh/java"
    else
      JAVACMD="$JAVA_HOME/bin/java"
    fi
  else
    JAVACMD=`which java 2> /dev/null `
    if [ -z "$JAVACMD" ] ; then
        JAVACMD=java
    fi
  fi
fi

if [ ! -x "$JAVACMD" ] ; then
  echo "Error: JAVA_HOME is not defined correctly."
  echo "  We cannot execute $JAVACMD"
  exit 1
fi

CLASSPATH="${APOLLO_HOME}/lib/apollo-boot.jar"

BOOTDIRS="${APOLLO_HOME}/lib"
if [ ! -z "$APOLLO_BASE" ] ; then
  BOOTDIRS="${APOLLO_BASE}/lib\;${BOOTDIRS}"
fi

# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
  BOOTDIRS=`cygpath --path --windows "${APOLLO_BASE}/lib\:${APOLLO_HOME}/lib"`
  APOLLO_HOME=`cygpath --windows "$APOLLO_HOME"`
  if [ ! -z "$APOLLO_BASE" ] ; then
    APOLLO_BASE=`cygpath --windows "$APOLLO_BASE"`
  fi
  JAVA_HOME=`cygpath --windows "$JAVA_HOME"`
  CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
  CYGHOME=`cygpath --windows "$HOME"`
fi

if [ -z "$JVM_FLAGS" ] ; then
  JVM_FLAGS="-server -Xmx1G -XX:-UseBiasedLocking"
fi

if [ "$APOLLO_ASSERTIONS" != "false" ] ; then
  JVM_FLAGS="-ea ${JVM_FLAGS}"
fi

if [ "x$APOLLO_OPTS" != "x" ] ; then
  JVM_FLAGS="${JVM_FLAGS} ${APOLLO_OPTS}"
fi

# Optionally enable remote debugging
if [ "x$APOLLO_DEBUG" != "x" ]; then
    JVM_FLAGS="${JVM_FLAGS} -Xdebug -Xnoagent -Djava.compiler=NONE -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=5005"
fi

# Optionally enable YourKit debugging
if [ "x$APOLLO_PROFILE" != "x" ]; then
    JVM_FLAGS="-agentlib:yjpagent ${JVM_FLAGS}"
fi

if [ -z "$JMX_OPTS" ] ; then
  JMX_OPTS="-Dcom.sun.management.jmxremote"
fi

JVM_FLAGS="${JVM_FLAGS} ${JMX_OPTS}"

SYSTEM_PROPS="${SYSTEM_PROPS} -Dapollo.home=${APOLLO_HOME}"
if [ ! -z "$APOLLO_BASE" ] ; then
  SYSTEM_PROPS="${SYSTEM_PROPS} -Dapollo.base=${APOLLO_BASE}"
fi

# Attempt to bump up the ulimit 
target=100000
limit=`ulimit -n 2>/dev/null`
case $limit in
    unlimited) ;;
    [0-9]*) [ $limit -lt 10000 ] && ulimit -n $target >/dev/null 2>/dev/null ;;
    *) ulimit -n $target >/dev/null 2>/dev/null ;;
esac

${EXEC} "$JAVACMD" ${JVM_FLAGS} ${SYSTEM_PROPS} -classpath "${CLASSPATH}" org.apache.activemq.apollo.boot.Apollo ${BOOTDIRS} org.apache.activemq.apollo.cli.Apollo $@
